A DC-DC Converter with Wide Input Voltage Range for Fuel Cell and Supercapacitor Application

Zhe Zhang, Ole Cornelius Thomsen, Michael Andreas E. Andersen

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    Abstract

    This paper proposes a novel phase-shift plus duty cycle controlled hybrid bi-directional DC-DC converter based on fuel cells and supercapacitors. The described converter employs two high frequency transformers to couple the half-bridge and full-bridge circuits together in the primary side and voltage doubler circuit in secondary side. Boost type converter can limit the output ripple current of the fuel cells; hybrid full-bridge structure can change operating modes according to the different input voltage; phase-shift with duty cycle control scheme is utilized to control the bidirectional power flow flexibly. All the switches can turn on under zero-voltage-switching condition (ZVS). The operating principles of the converter are described in details, and the experimental results based on the prototype controlled by DSP are presented to verify the validity of the analysis and design.
    Original languageEnglish
    Title of host publicationInternational Conference on Power Electronics and Drive Systems, 2009. PEDS 2009
    PublisherIEEE
    Publication date2009
    Pages706-711
    ISBN (Print)978-1-4244-4166-2
    DOIs
    Publication statusPublished - 2009
    Event8th International Conference on Power Electronics and Drive Systems - Taipei, Taiwan, Province of China
    Duration: 2 Nov 20095 Nov 2009
    Conference number: 8
    http://www.peds09.ntust.edu.tw/

    Conference

    Conference8th International Conference on Power Electronics and Drive Systems
    Number8
    Country/TerritoryTaiwan, Province of China
    CityTaipei
    Period02/11/200905/11/2009
    Internet address

    Bibliographical note

    Copyright 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

    Keywords

    • dc-dc
    • soft-switching
    • bidirectional

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